Implement PNG decompression

This patch adds PNG decompression for images without interlacing and
without alpha channel.

Only basic image data is supported. Background, transparency, gamma,
paletted images are not supported.

1 files changed, 4 insertions, 1 deletions

diff --git a/lisiblepng-bin/src/main.c b/lisiblepng-bin/src/main.c
index 7979326..62dea31 100644
--- a/lisiblepng-bin/src/main.c
+++ b/lisiblepng-bin/src/main.c
@@ -1,8 +1,11 @@
 #include <errno.h>
 #include <lisiblepng.h>
-#include <log.h>
+#include <stdio.h>
 #include <string.h>
 
+#define LOG0(msg) fprintf(stderr, msg)
+#define LOGN(fmt, ...) fprintf(stderr, fmt, __VA_ARGS__)
+
 int main(int argc, char **argv) {
   if (argc != 2) {
     LOG0("Usage: lisiblepng <png filepath>");